A channel service unit (CSU) or digital service unit (DSU) is used to connect digital circuits from the ________ to the computing device defined as the DTE

Fill in the blank(s) with correct word


PSTN

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Although right-handed coordinate systems are used most often, left-handed systems are typically used in engineering applications that are ____ based-positive z is defined as going down.

A. astronomically B. geologically C. mechanically D. electrically

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Despite early resistance, the main reason free public education ultimately triumphed was

A. wealthy and politically powerful Americans feared that if the government failed to provide free public education, poor families immigrants would utilize their free vote to elect candidates and political parties unfavored by these political and economic elites. B. wealthy Americans feared the problem of vagrancy as farm families depended less upon the labor of children. C. Southern slave owners abandoned their resistance to it. D. teaching provided paid employment for unmarried, single women. E. poor Americans threatened to launch a violent rebellion unless free education was made available.

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Some years ago, Penny purchased the car of her dreams for $25,000 by paying 20% down at pur­chase time and taking a $20,000, 5-year, 6% per year, compounded monthly loan with 60 monthly payments of $386.66 each. She is examining her loan situation and would like to have some specific information. Help her obtain the following:

(a) Verification of the current monthly payment amount. (b) Total amount she will pay over the 5 years. (c) Total interest she will pay over the 5 years and the percentage this represents of the original loan amount of $20,000. (d) After she missed payment #36 at the very end of the third year, according to the loan agreement, the interest rate increased from 6% to 10% per year, compounded monthly. Based on the remaining principal immedi­ately after the late payment, determine the new monthly payment. Verify that this in­creased amount is necessary to pay off the loan at the increased rate. (e) Penny is now in her fourth year, has paid the increased payment for 12 payments, and wants to get rid of this loan completely. She wishes to know the remaining princi­pal amount when payment #48 is due. There is no penalty for early repayment of principal.

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Western Refining purchased a model MTVS peristaltic pump for injecting antiscalant at its nanofiltration water conditioning plant. The cost of the pump was $1200. If the chemical cost is $11 per day, determine the equivalent cost per month (pump plus chemicals) at an interest rate of 1% per month. Assume 30 days per month and a 4-year pump life.

What will be an ideal response?

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